CVE-2026-20637

MEDIUM EPSS 9.7%
Published Mar 25, 20263mo ago · Modified Jun 17, 20261w ago
6.2 CVSS 3.1
Medium
Find Similar
Published Mar 25, 2026 3mo ago
Last Modified Jun 17, 2026 1w ago

Description

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. An app may be able to cause unexpected system termination.

CVSS Details

Base Score
6.2
Exploitability
2.5
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
9.7% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 10

VendorProductVersionRange
appleipados* <18.7.7
appleipados*≥26.0  –  <26.3
appleiphone_os* <18.7.7
appleiphone_os*≥26.0  –  <26.3
applemacos*≥14.0  –  <14.8.5
applemacos*≥15.0  –  <15.7.5
applemacos*≥26.0  –  <26.3
appletvos* <26.3
applevisionos* <26.3
applewatchos* <26.3

References 8

  • support.apple.com https://support.apple.com/en-us/126346
    Release NotesVendor Advisory
  • support.apple.com https://support.apple.com/en-us/126348
    Release NotesVendor Advisory
  • support.apple.com https://support.apple.com/en-us/126351
    Release NotesVendor Advisory
  • support.apple.com https://support.apple.com/en-us/126352
    Release NotesVendor Advisory
  • support.apple.com https://support.apple.com/en-us/126353
    Release NotesVendor Advisory
  • support.apple.com https://support.apple.com/en-us/126793
    Release NotesVendor Advisory
  • support.apple.com https://support.apple.com/en-us/126795
    Release NotesVendor Advisory
  • support.apple.com https://support.apple.com/en-us/126796
    Release NotesVendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.